[INFO] fetching crate sigio 0.1.0...
[INFO] testing sigio-0.1.0 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate sigio 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate sigio 0.1.0 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sigio 0.1.0
[INFO] finished tweaking crates.io crate sigio 0.1.0
[INFO] tweaked toml for crates.io crate sigio 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b40e71c6d994875fd29cd1fe7479e927510ef03a1fd7d5ce1fcc6f85a6ed5845
[INFO] running `Command { std: "docker" "start" "-a" "b40e71c6d994875fd29cd1fe7479e927510ef03a1fd7d5ce1fcc6f85a6ed5845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b40e71c6d994875fd29cd1fe7479e927510ef03a1fd7d5ce1fcc6f85a6ed5845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40e71c6d994875fd29cd1fe7479e927510ef03a1fd7d5ce1fcc6f85a6ed5845", kill_on_drop: false }`
[INFO] [stdout] b40e71c6d994875fd29cd1fe7479e927510ef03a1fd7d5ce1fcc6f85a6ed5845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5754c2ddb0ba008f10186ffdd1f7c380fdabff8bcb851a8acbb76cdd861e7ff
[INFO] running `Command { std: "docker" "start" "-a" "a5754c2ddb0ba008f10186ffdd1f7c380fdabff8bcb851a8acbb76cdd861e7ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling sigio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `futures-io`
[INFO] [stdout]  --> src/compat/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "futures-io")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `tokio`
[INFO] [stdout]   = help: consider adding `futures-io` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::task::Waker`
[INFO] [stdout]  --> src/compat/tokio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::Waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/compat/tokio.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{ReadBuf, AsyncRead, AsyncWrite};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/convert.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::*`
[INFO] [stdout]    --> src/lib.rs:161:43
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     c_err(unsafe { libc::fcntl(fd, { use libc::*; $op }, $($args),*) })
[INFO] [stdout]     |                                                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |         fcntl!(F_SETSIG, signo)?;
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `fcntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_fd` is never used
[INFO] [stdout]    --> src/lib.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl File {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 151 |     /// may cause unexpected results if fd has unusual flags set
[INFO] [stdout] 152 |     fn from_fd<FD: IntoRawFd>(fd: FD) -> io::Result<File> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "a5754c2ddb0ba008f10186ffdd1f7c380fdabff8bcb851a8acbb76cdd861e7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5754c2ddb0ba008f10186ffdd1f7c380fdabff8bcb851a8acbb76cdd861e7ff", kill_on_drop: false }`
[INFO] [stdout] a5754c2ddb0ba008f10186ffdd1f7c380fdabff8bcb851a8acbb76cdd861e7ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55401fc2e5042f0d3bd87935782eb55b2cb7765ee425a364690051eed82b714e
[INFO] running `Command { std: "docker" "start" "-a" "55401fc2e5042f0d3bd87935782eb55b2cb7765ee425a364690051eed82b714e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling test-log-macros v0.2.16
[INFO] [stderr]    Compiling env_filter v0.1.2
[INFO] [stderr]    Compiling env_logger v0.11.5
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling test-log v0.2.16
[INFO] [stderr]    Compiling sigio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `futures-io`
[INFO] [stdout]  --> src/compat/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "futures-io")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `tokio`
[INFO] [stdout]   = help: consider adding `futures-io` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::task::Waker`
[INFO] [stdout]  --> src/compat/tokio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::Waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/compat/tokio.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{ReadBuf, AsyncRead, AsyncWrite};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/convert.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::*`
[INFO] [stdout]    --> src/lib.rs:161:43
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     c_err(unsafe { libc::fcntl(fd, { use libc::*; $op }, $($args),*) })
[INFO] [stdout]     |                                                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |         fcntl!(F_SETSIG, signo)?;
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `fcntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_fd` is never used
[INFO] [stdout]    --> src/lib.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl File {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 151 |     /// may cause unexpected results if fd has unusual flags set
[INFO] [stdout] 152 |     fn from_fd<FD: IntoRawFd>(fd: FD) -> io::Result<File> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `futures-io`
[INFO] [stdout]  --> src/compat/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "futures-io")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `tokio`
[INFO] [stdout]   = help: consider adding `futures-io` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::task::Waker`
[INFO] [stdout]  --> src/compat/tokio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::Waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/compat/tokio.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{ReadBuf, AsyncRead, AsyncWrite};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/convert.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::*`
[INFO] [stdout]    --> src/lib.rs:161:43
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     c_err(unsafe { libc::fcntl(fd, { use libc::*; $op }, $($args),*) })
[INFO] [stdout]     |                                                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |         fcntl!(F_SETSIG, signo)?;
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `fcntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read_start`
[INFO] [stdout]    --> src/lib.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 |             let read_start = Instant::now();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read_end`
[INFO] [stdout]    --> src/lib.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 |             let read_end = Instant::now();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nw`
[INFO] [stdout]    --> src/lib.rs:307:8
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let (nw, nr) = tokio::try_join!(
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_nw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.03s
[INFO] running `Command { std: "docker" "inspect" "55401fc2e5042f0d3bd87935782eb55b2cb7765ee425a364690051eed82b714e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55401fc2e5042f0d3bd87935782eb55b2cb7765ee425a364690051eed82b714e", kill_on_drop: false }`
[INFO] [stdout] 55401fc2e5042f0d3bd87935782eb55b2cb7765ee425a364690051eed82b714e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9edadc28dbca71f6b8216f58821a4b86386a92416e43f88b6f5595aea44d971c
[INFO] running `Command { std: "docker" "start" "-a" "9edadc28dbca71f6b8216f58821a4b86386a92416e43f88b6f5595aea44d971c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::pin::Pin`
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::pin::Pin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `futures-io`
[INFO] [stderr]  --> src/compat/mod.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[cfg(feature = "futures-io")]
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected values for `feature` are: `default` and `tokio`
[INFO] [stderr]   = help: consider adding `futures-io` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::task::Waker`
[INFO] [stderr]  --> src/compat/tokio.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::task::Waker;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncRead`
[INFO] [stderr]  --> src/compat/tokio.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tokio::io::{ReadBuf, AsyncRead, AsyncWrite};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/convert.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libc::*`
[INFO] [stderr]    --> src/lib.rs:161:43
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     c_err(unsafe { libc::fcntl(fd, { use libc::*; $op }, $($args),*) })
[INFO] [stderr]     |                                                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 172 |         fcntl!(F_SETSIG, signo)?;
[INFO] [stderr]     |         ----------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `fcntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/compat/tokio.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         ctx: &mut Context<'_>
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/compat/tokio.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         ctx: &mut Context<'_>
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_fd` is never used
[INFO] [stderr]    --> src/lib.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 150 | impl File {
[INFO] [stderr]     | --------- associated function in this implementation
[INFO] [stderr] 151 |     /// may cause unexpected results if fd has unusual flags set
[INFO] [stderr] 152 |     fn from_fd<FD: IntoRawFd>(fd: FD) -> io::Result<File> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sigio` (lib) generated 9 warnings (run `cargo fix --lib -p sigio` to apply 5 suggestions)
[INFO] [stderr] warning: unused variable: `read_start`
[INFO] [stderr]    --> src/lib.rs:275:8
[INFO] [stderr]     |
[INFO] [stderr] 275 |             let read_start = Instant::now();
[INFO] [stderr]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_end`
[INFO] [stderr]    --> src/lib.rs:277:8
[INFO] [stderr]     |
[INFO] [stderr] 277 |             let read_end = Instant::now();
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nw`
[INFO] [stderr]    --> src/lib.rs:307:8
[INFO] [stderr]     |
[INFO] [stderr] 307 |         let (nw, nr) = tokio::try_join!(
[INFO] [stderr]     |              ^^ help: if this is intentional, prefix it with an underscore: `_nw`
[INFO] [stderr] 
[INFO] [stderr] warning: `sigio` (lib test) generated 11 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sigio-9a07c155bec3f488)
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test gen::fcntl::bindgen_test_layout_file_handle ... ok
[INFO] [stdout] test gen::fcntl::bindgen_test_layout_iovec ... ok
[INFO] [stdout] test gen::fcntl::bindgen_test_layout_flock64 ... ok
[INFO] [stdout] test gen::fcntl::bindgen_test_layout_flock ... ok
[INFO] [stdout] test gen::fcntl::bindgen_test_layout___fsid_t ... ok
[INFO] [stdout] test gen::fcntl::bindgen_test_layout_f_owner_ex ... ok
[INFO] [stdout] test gen::fcntl::bindgen_test_layout_stat ... ok
[INFO] [stdout] test gen::fcntl::bindgen_test_layout_stat64 ... ok
[INFO] [stdout] test gen::fcntl::bindgen_test_layout_timespec ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___atomic_wide_counter ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___atomic_wide_counter__bindgen_ty_1 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___fsid_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___once_flag ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___pthread_cond_s ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___pthread_internal_list ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___pthread_mutex_s ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___pthread_rwlock_arch_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__fpstate ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__fpx_sw_bytes ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___sigset_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__fpxreg ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__fpreg ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__libc_fpstate ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__libc_xmmreg ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__xmmreg ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__xstate ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_pthread_attr_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_mcontext_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__xsave_hdr ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_pthread_barrier_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__ymmh_state ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_pthread_cond_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_pthread_mutexattr_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_pthread_barrierattr_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_pthread_condattr_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_pthread_rwlockattr_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_sigcontext ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_sigaction ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_sigcontext__bindgen_ty_1 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_sigevent ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_sigevent__bindgen_ty_1 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_sigevent__bindgen_ty_1__bindgen_ty_1 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1__bindgen_ty_1 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1__bindgen_ty_3 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1__bindgen_ty_5__bindgen_ty_1 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1__bindgen_ty_5__bindgen_ty_1__bindgen_ty_1 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_sigstack ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_sigval ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_stack_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_timespec ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_ucontext_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1__bindgen_ty_4 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1__bindgen_ty_5 ... ok
[INFO] [stdout] test tests::pipe_full_async ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout___pthread_internal_slist ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_sigaction__bindgen_ty_1 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_pthread_mutex_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout__libc_fpxreg ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1__bindgen_ty_7 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1__bindgen_ty_6 ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_pthread_rwlock_t ... ok
[INFO] [stdout] test gen::signal::bindgen_test_layout_siginfo_t__bindgen_ty_1__bindgen_ty_2 ... ok
[INFO] [stdout] test tests::pipe_mixed ... ok
[INFO] [stderr]    Doc-tests sigio
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9edadc28dbca71f6b8216f58821a4b86386a92416e43f88b6f5595aea44d971c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9edadc28dbca71f6b8216f58821a4b86386a92416e43f88b6f5595aea44d971c", kill_on_drop: false }`
[INFO] [stdout] 9edadc28dbca71f6b8216f58821a4b86386a92416e43f88b6f5595aea44d971c
